Make html metadata follow the spec.

tools/dom/scripts/systemnative.py

 #!/usr/bin/python
 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 """This module provides shared functionality for the systems to generate
 native binding from the IDL database."""
 
 import emitter
 import os
@@ skipping 188 matching lines @@
         INTERFACE_NAME=self._interface.id);
 
   def _EmitConstructorInfrastructure(self,
       constructor_info, constructor_callback_cpp_name, factory_method_name,
       argument_count=None):
     constructor_callback_id = self._interface.id + '_' + constructor_callback_cpp_name
     if argument_count is None:
       argument_count = len(constructor_info.param_infos)
 
     self._members_emitter.Emit(
-        '\n  @DocsEditable\n'
+        '\n  @DocsEditable()\n'
         '  static $INTERFACE_NAME $FACTORY_METHOD_NAME($PARAMETERS) '
             'native "$ID";\n',
         INTERFACE_NAME=self._interface_type_info.interface_name(),
         FACTORY_METHOD_NAME=factory_method_name,
         # TODO: add types to parameters.
         PARAMETERS=constructor_info.ParametersAsArgumentList(argument_count),
         ID=constructor_callback_id)
 
     self._cpp_resolver_emitter.Emit(
         '    if (name == "$ID")\n'
@@ skipping 793 matching lines @@
             '    if (Dart_NativeFunction func = $CLASS_NAME::resolver(name, argumentCount))\n'
             '        return func;\n',
             CLASS_NAME=os.path.splitext(os.path.basename(path))[0])
 
 def _IsOptionalStringArgumentInInitEventMethod(interface, operation, argument):
   return (
       interface.id.endswith('Event') and
       operation.id.startswith('init') and
       argument.ext_attrs.get('Default') == 'Undefined' and
       argument.type.id == 'DOMString')